| A | B |
| Return Address | Writer's Address |
| Dateline | Current date letter was written |
| Attention Line | Person/Department name to whom the letter is being written |
| Letter Address | Address of recipient |
| Salutation | Greeting--the Dear line |
| Mixed Punctuation | Colon after the salutation; comma after the closing |
| Open Punctuation | No punctuation after the salutation or closing |
| Handwritten Signature | Writer's handwritten cursive signature |
| Keyed Signature | Keyed name of writer |
| Block Style Letter | All parts of letter start at left margin |
| Personal Business Letter | Letter written to take care of personal business |
| Formal Business Letter | Speaking on behalf on company related matter |
| Modified Block Style Letter | Dateline and Closing lines begin at the center point of the page |